| 单词 | daphnia |
| 释义 | daphnia (once / 256942 pages) n WORD FAMILY daphnia USAGE EXAMPLESFrom a canoe, Bengtson expects to notice changes even earlier, as the water turns pink with daphnia. Washington Times(Jan 24, 2015) As Daphnia have declined, other plankton has taken their place, primarily the jelly-coated Holopedium, their numbers doubling over 20 years. Scientific American(Nov 26, 2014) The resurrected animals are known scientifically as Daphnia and informally as water fleas. New York Times(Jan 09, 2014) n minute freshwater crustacean having a round body enclosed in a transparent shell; moves about like a flea by means of hairy branched antennae Syn|Hyper water flea branchiopod, branchiopod crustacean, branchiopodan aquatic crustaceans typically having a carapace and many pairs of leaflike appendages used for swimming as well as respiration and feeding |
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